IEEE 666 : 2007

DESIGN GUIDE FOR ELECTRIC POWER SERVICE SYSTEMS FOR GENERATING STATIONS

Institute of Electrical & Electronics Engineers

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1 Overview
2 Scope
3 System philosophy
   3.1 General
   3.2 Basic design considerations
   3.3 General planning guide
   3.4 Transmission system and generating unit considerations
   3.5 Bibliography
4 Startup and shutdown requirements
   4.1 General
   4.2 Power requirements
   4.3 Quality of power
   4.4 Startup/shutdown power supply arrangements
   4.5 Auxiliary equipment supply arrangements
   4.6 Auxiliary bus transfers
   4.7 Protective systems
   4.8 DC, dc/ac, and ac/dc power sources
   4.9 Onsite ac power sources
   4.10 Bibliography
5 Nominal system voltage
   5.1 General
   5.2 Normative references
   5.3 Definitions
   5.4 Preferred nominal system voltages
   5.5 Acceptable voltage ranges
   5.6 Equipment ratings
   5.7 Effects of voltage variation in utilization equipment
   5.8 Basic design considerations
6 Fault considerations
   6.1 General
   6.2 Normative references
   6.3 AC fault current - ac component
   6.4 AC fault current - dc component
   6.5 RMS value of total asymmetrical current
   6.6 Fault types and magnitudes
   6.7 Protective devices and equipment short-circuit ratings
   6.8 Fault calculation tools
   6.9 AC fault calculation procedure
   6.10 DC system fault current
   6.11 Bibliography
Annex 6A (informative) Short-circuit current calculation examples
   6A.1 Short-circuit current calculation for a generator
   6A.2 Example of a short-circuit calculation for a power system
        with several voltage levels
   6A.3 Example of short-circuit current calculation for a dc system
7 System protection
   7.1 General
   7.2 System arrangement
   7.3 Types and characteristics of protective devices
   7.4 Principles of relay applications
   7.5 Bibliography
8 System grounding
   8.1 Foreword
   8.2 General
   8.3 Normative references
   8.4 Definitions
   8.5 Transient overvoltages
   8.6 Selection of grounding method
   8.7 Grounding equipment connections
   8.8 Ground-fault current calculations
   8.9 Standby generator grounding
   8.10 Summary
   8.11 Bibliography
9 Transformers and voltage regulation
   9.1 General
   9.2 Scope - System configurations
   9.3 Normative references
   9.4 Definitions (also see 3.3.2.4.1)
   9.5 Voltage range
   9.6 Specification of transformers
   9.7 Voltage regulation
   9.8 Bibliography
10 Equipment Used for Load Switching and Fault Isolation
   10.1 General
   10.2 Normative references
   10.3 Switchgear
   10.4 Secondary unit substations
   10.5 Combination starter panels (motor control centers [MCC])
   10.6 Panelboards
   10.7 Fuses
   10.8 Insulation levels of equipment
   10.9 Equipment layout and installation
   10.10 Shipping and storage
   10.11 Maintenance
   10.12 Bibliography
11 Electric motor characteristics and applications
   11.1 General
   11.2 Normative references
   11.3 Large polyphase ac motors
   11.4 Integral horsepower (medium) ac motors
   11.5 DC motors
   11.6 AC motor applications
   11.7 DC motor applications
   11.8 Starting large ac motors
   11.9 Effects of system operating conditions on motor
        characteristics
   11.10 Effects of motor operation on the power system
   11.11 Motor protection requirements
   11.12 Effects of special requirements on motor characteristics
   11.13 Effects of exceeding specified motor capabilities
   11.14 Motor enclosures
   11.15 Motor bearings
   11.16 Maintenance
   11.17 Relationships used in ac motor performance and
         system calculations
12 Cables and other conductors
   12.1 General
   12.2 Normative references
   12.3 Insulated cable
   12.4 Nonsegregated phase bus
13 Physical and environmental aspects
   13.1 General
   13.2 Service transformers
   13.3 Switchgear
   13.4 Space, growth, and cable entry
   13.5 Ambient temperature
   13.6 Elevation
   13.7 Expected life and reliability
   13.8 Enclosures
   13.9 Indoor versus outdoor
   13.10 Flooding
   13.11 Noise
   13.12 Fire protection
   13.13 Bibliography

Abstract

Presents a listing of typical power plant auxiliary loads and criteria for their power service and examples of single-line diagrams for a typical plant.